Développer un workflow avec Visual Studio pour WSS 3/MOSS 2007

<Feature  Id="GUID"
          Title="Default Title"
          Description="This feature is a workflow that ..."
          Version="12.0.0.0"
          Scope="Site"
          xmlns="http://schemas.microsoft.com/sharepoint/">
  <ElementManifests>
    <ElementManifest Location="workflow.xml" />
  </ElementManifests>
  <Properties>
    <Property Key="GloballyAvailable" Value="true" />
  </Properties>
</Feature>

<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
  <Workflow
       Name="My Workflow"
       Description="This workflow ..."
       Id="GUID"
       CodeBesideClass="ProjectName.Workflow1" 
       CodeBesideAssembly="ProjectName, Version=3.0.0.0, Culture=neutral, PublicKeyToken=publicKeyToken"
       TaskListContentTypeId="0x000"
       AssociationUrl="_layouts/MyAssocForm.aspx"
       InstantiationUrl="_layouts/MyInitForm.aspx"
       ModificationUrl="_layouts/MyModForm.aspx">
 
    <Categories/>
    <MetaData>
 
      <Modification_GUID_Name>Name of Modification</Modification_GUID_Name>
 
      <StatusPageUrl>_layouts/WrkStat.aspx</StatusPageUrl>
    </MetaData>
  </Workflow>
</Elements>

<?xml version="1.0" encoding="utf-8" ?>
<!-- _lcid="1033" _version="12.0.3015" _dal="1"   -->
<!-- _LocalBinding   -->
 
<!-- Insert Workflow.xml Code Snippet here.  To do this:
1) Right click on this page and select "Insert Snippet" (or press Ctrl+K, then X)
2) Select Snippets->Windows SharePoint Services Workflow->Workflow.xml Code -->
<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
  <Workflow
       Name="Workflow Annonce"
       Description="Ce workflow crée une annonce lorsqu'un document est ajouté dans la liste 'Shared Documents'"
       Id="6FEFAB53-7CF7-49e5-9815-BED1AAA2B2A6"
       CodeBesideClass="AnnouncementWorkflow.Workflow1" 
       CodeBesideAssembly="AnnouncementWorkflow, Version=3.0.0.0, Culture=neutral, PublicKeyToken=cc22401ad6f86bc6"            
       >
    <Categories/>    
  </Workflow>
</Elements>

:: Before running this file, sign the assembly in Project properties
::
:: To customize this file, find and replace
:: a) "MyFeature" with your own feature names
:: b) "feature.xml" with the name of your feature.xml file
:: c) "workflow.xml" with the name of your workflow.xml file
:: d) "http://localhost" with the name of the site you wish to publish to
 
echo Copying the feature...
 
rd /s /q "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\MyFeature"
REM: suppression du répertoire contenant les fichiers déployés avec la feature
mkdir "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\MyFeature"
REM: Création du répertoire contenant les fichiers déployés avec la feature
 
copy /Y feature.xml  "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\MyFeature\"
REM: copie du fichier feature.xml
copy /Y workflow.xml "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\MyFeature\"
REM: copie du fichier workflow.xml
xcopy /s /Y *.aspx "%programfiles%\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\LAYOUTS"
REM: copie des fichiers .aspx liés
echo Adding assemblies to the GAC...
::"%programfiles% (x86)\Microsoft Visual Studio 8\SDK\v2.0\Bin\gacutil.exe" -uf MyFeature
REM: désinstallation de l'assemblage de la GAC (global assembly cache)
::"%programfiles% (x86)\Microsoft Visual Studio 8\SDK\v2.0\Bin\gacutil.exe" -if bin\Debug\MyFeature.dll
REM: Installation de l'assemblage dans la GAC
echo Activating the feature...
pushd %programfiles%\common files\microsoft shared\web server extensions\12\bin
 
stsadm -o installfeature -filename MyFeature\feature.xml -force
REM: déploiement de la feature
stsadm -o activatefeature -filename MyFeature\feature.xml -url http://localhost
REM: activation de la feature
 
echo Doing an iisreset...
popd
iisreset
REM: redémarrage de IIS, vous pouvez aussi redémarrer uniquement le pool d'application

:: Before running this file, sign the assembly in Project properties
::
:: To customize this file, find and replace
:: a) "MyFeature" with your own feature names
:: b) "feature.xml" with the name of your feature.xml file
:: c) "workflow.xml" with the name of your workflow.xml file
:: d) "http://localhost" with the name of the site you wish to publish to
 
echo Copying the feature...
 
rd /s /q "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\AnnouncementWorkflow"
mkdir "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\AnnouncementWorkflow"
 
copy /Y feature.xml  "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\AnnouncementWorkflow\"
copy /Y workflow.xml "%CommonProgramFiles%\Microsoft Shared\web server extensions\12\TEMPLATE\FEATURES\AnnouncementWorkflow\"
xcopy /s /Y *.aspx "%programfiles%\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\LAYOUTS"
 
echo Adding assemblies to the GAC...
 
"%programfiles%\Microsoft Visual Studio 8\SDK\v2.0\Bin\gacutil.exe" -uf AnnouncementWorkflow
"%programfiles%\Microsoft Visual Studio 8\SDK\v2.0\Bin\gacutil.exe" -if bin\Debug\AnnouncementWorkflow.dll
 
:: Note: 64-bit alternative to lines above; uncomment these to install on a 64-bit machine
::"%programfiles% (x86)\Microsoft Visual Studio 8\SDK\v2.0\Bin\gacutil.exe" -uf AnnouncementWorkflow
::"%programfiles% (x86)\Microsoft Visual Studio 8\SDK\v2.0\Bin\gacutil.exe" -if bin\Debug\AnnouncementWorkflow.dll
 
 
echo Activating the feature...
 
pushd %programfiles%\common files\microsoft shared\web server extensions\12\bin
 
::Note: Uncomment these lines if you've modified your deployment xml files or IP forms 
::stsadm -o deactivatefeature -filename AnnouncementWorkflow\feature.xml -url http://momix
::stsadm -o uninstallfeature -filename AnnouncementWorkflow\feature.xml
 
stsadm -o installfeature -filename AnnouncementWorkflow\feature.xml -force
stsadm -o activatefeature -filename AnnouncementWorkflow\feature.xml -url http://momix
 
 
echo Doing an iisreset...
popd
iisreset

public Microsoft.SharePoint.Workflow.SPWorkflowActivationProperties workflowProperties = new Microsoft.SharePoint.Workflow.SPWorkflowActivationProperties();

private void CreateAnnoncement_ExecuteCode(object sender, EventArgs e)
        {
            SPSite Site = null;
            SPWeb Web = null;
            SPList AnnouncementList = null;
            SPListItem NewItem = null;
 
            try
            {
                Site = new SPSite(AnnouncementWorkflow.Properties.Settings.Default.TargetSiteUrl);
                //Ouverture d'un SPWeb, càd un site
                Web = Site.OpenWeb();
                //0n pointe sur la liste d'annonces
                AnnouncementList = Web.Lists[AnnouncementWorkflow.Properties.Settings.Default.AnnouncementList];                
                //On instancie un nouvel élément (nouvelle ligne pour la liste)
                NewItem = AnnouncementList.Items.Add();
                //On crée un petit message
                NewItem["Title"] = "Le document " + workflowProperties.Item["Title"] + " a été mis en ligne";
                //On crée un corps de message contenant l'URL du document
                NewItem["Body"] = "Vous pouvez consulter le document " + workflowProperties.Item["Title"] +
                    " <a href='" + workflowProperties.Item["EncodedAbsUrl"] + "'>ici</a>";
                //On met à jour l'élément de liste
                NewItem.Update();
                //On récupère l'ID
 
                AnnouncementList.Update();
                Web.Update();               
 
                //On met un message dans l'historique.
                History.HistoryDescription = "Annonce " + NewItem.ID.ToString() + " créée avec succès";
 
            }
            catch(SPException Ex)
            {
                History.HistoryDescription = Ex.Message;
            }          
			finally
			{
 
				if (Web != null) Web.Close();
                if (Site != null) Site.Close();
                NewItem = null;
                AnnouncementList = null;
                Web = null;
                Site = null;
			} 
        }